k8s-deploy

#!/bin/bash
####################################################################################################
# Installer for Platform9 Bare-Metal Kubernetes using PMK
# 
# Sample Invocations:
#   ./k8s-deploy create-cluster c2 10.20.0.0/16 10.40.0.0/16 \
#                5f50c197-782c-48f0-8587-e75c21ce778d 172.16.7.254 ens192 172.20.10.121 172.20.10.124
####################################################################################################

config_file=$(dirname $0)/pf9-express.conf
libdir=$(dirname $0)/lib/k8s-deploy
tokendb=/tmp/token.dat
flag_update_token=0
flag_verbose=0
log_hostagent=/var/log/pf9/hostagent.log

assert() {
  if [ $# -eq 1 ]; then echo "ASSERT: ${1}"; fi
  exit 1
}

usage() {
  echo -e "Usage: `basename $0` [-d] <Method> [Args]\n"
  echo "Methods:"
  echo "  `${libdir}/create-cluster -h`"
  echo "  `${libdir}/attach-master -h`"
  echo "  `${libdir}/attach-worker -h`"
  echo "  `${libdir}/get-node -h`"
  echo "  `${libdir}/get-cluster -h`"
  echo "  `${libdir}/get-clusterNode -h`"
  echo "  `${libdir}/get-provider -h`"
  echo "  `${libdir}/get-tenant -h`"
  echo "  `${libdir}/detach-worker -h`"
  echo "  `${libdir}/detach-master -h`"
  echo "  `${libdir}/install-kubectl -h`"
  echo "  `${libdir}/auth-node -h`"
  echo
  exit 1
}

read_config() {
  if [ ! -r ${config_file} ]; then assert "config file missing: ${config_file}"; fi

  du_url=$(grep ^du_url ${config_file} | cut -d \| -f2)
  admin_user=$(grep ^os_username ${config_file} | cut -d \| -f2)
  admin_password=$(grep ^os_password ${config_file} | cut -d \| -f2)
}

get_token() {
  # manage token
  if [ ! -r ${tokendb} ]; then
    flag_update_token=1
  else
    token_ts=$(head -1 ${tokendb})
    current_time=$(date +%s)
    token_expire_ts=$((token_ts + 86400))
    if [ ${current_time} -ge ${token_expire_ts} ]; then flag_update_token=1; fi
  fi

  if [ ${flag_update_token} -eq 1 ]; then
    token=`curl -k -i -H "Content-Type: application/json" ${du_url}/keystone/v3/auth/tokens?nocatalog \
           -d "{ \"auth\": { \"identity\": { \"methods\": [\"password\"], \"password\": { \"user\": { \"name\": \"${admin_user}\", \
           \"domain\": {\"id\": \"default\"}, \"password\": \"${admin_password}\" } } }, \
           \"scope\": { \"project\": { \"name\": \"service\", \"domain\": {\"id\": \"default\"}}}}}" 2>/dev/null \
           | grep -i ^X-Subject-Token | awk -F : '{print $2}' | sed -e 's/ //g' | sed -e 's/\r//g'`
  
    # update tokendb
    if [ -z "${token}" ]; then assert "failed to get token"; fi
    echo "$(date +%s)" > ${tokendb}
    echo "${token}" >> ${tokendb}
  else
    token=$(cat ${tokendb} | tail -1)
  fi
}

# read config file
read_config

# get keystone token
get_token

# validate command-line
if [ $# -eq 0 ]; then usage; fi

# process optional args
while [ $# -gt 0 ]; do
  case ${1} in
  -d|--debug)
    flag_verbose=1
    shift
    ;;
  *)
    break
    ;;
  esac
done

# execute methods
op=${1}
case ${op} in
auth-node|create-cluster|attach-master|attach-worker|get-node|get-cluster|get-clusterNode|get-provider|get-tenant|delete-cluster|install-kubectl|detach-worker|detach-master)
  if [ ! -r ${libdir}/${op} ]; then assert "missing library: ${libdir}/${op}"; fi
  source ${libdir}/${op} $*
  ;;
*)
  usage
  ;;
esac

# exit cleanly
exit 0